42249042250 has 32 divisors (see below), whose sum is σ = 80386796880. Its totient is φ = 16622568000.

The previous prime is 42249042239. The next prime is 42249042287. The reversal of 42249042250 is 5224094224.

It can be written as a sum of positive squares in 8 ways, for example, as 5856993961 + 36392048289 = 76531^2 + 190767^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1369965 + ... + 1400464.

Almost surely, 2^42249042250 is an apocalyptic number.

42249042250 is a deficient number, since it is larger than the sum of its proper divisors (38137754630).

42249042250 is a wasteful number, since it uses less digits than its factorization.

42249042250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2770507 (or 2770497 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 34.

The spelling of 42249042250 in words is "forty-two billion, two hundred forty-nine million, forty-two thousand, two hundred fifty".